IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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  Common names: shark (English), tiburón (Espanol)
Carcharhinus porosus (Ranzani, 1840)

Smalltail shark

A slender, fusiform shark; snout long and pointed (length 1.2-1.8 in distance between nostrils);  eyes circular and large; nostrils with narrow-based pointed flap; top lip fold short;  top front teeth with narrow, oblique, notched, serrated points, lower front teeth with narrow, straight points; no ridge between dorsal fins; first dorsal fin low with bluntly pointed tip, origin over rear inner margin of pectoral fins; origin of second dorsal fin over or slightly behind middle of anal fin;  pectoral fins small, slightly curved with narrowly rounded to pointed tips.

Generally grey on back and sides, white on lower parts; tips of pectoral, dorsal, and caudal fins may be dusky or blackish, but are not prominently marked.

Grows to < 150 cm.

Habitat: an inshore shark over mud bottoms, often into shallow estuaries.

Depth: 5-35 m.

Western Atlantic and eastern Pacific; southern Baja and the Gulf of California to Peru.


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© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System


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